| Attribute | TNC Audio ACM-2 × | Heil Sound PR-20 UT × |
|---|---|---|
| Weight (g) | 320 | 255 |
| Sensitivity (mV/Pa) | 2.2 | - |
| Brand | TNC Audio | Heil Sound |
| Name | TNC Audio ACM-2 | Heil Sound PR-20 UT |
| Range (Hz) | 40 - 18,000 | 50 - 18,000 |
| Pickup Pattern |
|
|
| Impedance (Ohm) | 600 | 600 |
| Sound Pressure Level (SPL) (dB) | 148 | 145 |
| Max Diameter (mm) | - | 42 |
| Interfaces |
|
|
| Length (mm) | 165 | 185 |